MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm, with many links pointing to disposable hosting and potentially malicious domains. The primary URL, 'https://vilenefex.ru/wix?keyword=clonezilla+manually+mount', suggests a lure to a search engine optimization (SEO) farm designed to attract users searching for specific terms. While no scripts were directly extracted, the PDF structure and numerous external links indicate a phishing or redirection attempt, likely to deliver a second-stage payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vilenefex.ru/wix?keyword=clonezilla+manually+mount PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372696/normal_5fd27beb00bb2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486035/normal_604a3f0d74056.pdfIn PDF document text
- https://meronikam.weebly.com/uploads/1/3/4/7/134705372/5965109.pdfIn PDF document text
- http://fopokigife.mywebcommunity.org/soroxedifujev.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464542/normal_603447a8b65f3.pdfIn PDF document text
- http://sosiwawivijomo.scienceontheweb.net/albert_bandura_books.pdfIn PDF document text
- https://dorikorojuj.weebly.com/uploads/1/3/3/9/133987202/704c5.pdfIn PDF document text
- https://malolikekex.weebly.com/uploads/1/3/4/7/134718462/18154632.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472776/normal_5fcbd7c117ad1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480743/normal_5fe7af968fc21.pdfIn PDF document text
- https://zutomufafet.weebly.com/uploads/1/3/1/6/131607254/vagefuba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403676/normal_6043038742360.pdfIn PDF document text
- http://derifupiwa.mypressonline.com/also_sprach_zarathustra_german.pdfIn PDF document text
- http://reduslimitalia-ufficiale.site/ask_ryan_levesque_downloadw23ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446374/normal_601747ff6b534.pdfIn PDF document text
- http://goodxday.xyz/omnisphere_2_promopysmt.pdfIn PDF document text
- http://fito4ka.xyz/free_online_jumble_word_solverxxs3a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/latufenaw/bsc_online_admission_form_2019.pdfIn PDF document text
- https://s3.amazonaws.com/podawakumepewez/pawoweguti.pdfIn PDF document text
- https://s3.amazonaws.com/rimejiguvif/79138619448.pdfIn PDF document text
- http://temodorofeg.atwebpages.com/materi_biologi_sma_kelas_11.pdfIn PDF document text
- https://s3.amazonaws.com/womirofop/56836068246.pdfIn PDF document text
- http://jukasuxoseki.atwebpages.com/swann_dvr-4575_factory_reset.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000112d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112D6 | 4616 bytes |
SHA-256: abdc76733aece3b2deafdc55306e3c32b7ff52947db917113e36f3f4312ecf16 |
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font_01_sfnt_off00012283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12283 | 11576 bytes |
SHA-256: e42e959e700a8cb3e556c09e0f4bbe02adf326386c5c67b6be8d2c4be0305c93 |
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font_02_sfnt_off00014a71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A71 | 16368 bytes |
SHA-256: 75bbd64fe87cf8fb7a4ce630cdbf1fa4d064521a118b7673c0aa2e1ecee9ee62 |
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